Home / 4,180.77-6,268.68-1,406.70

Finding the Fourth Proportional to 4,180.77, 6,268.68 and 1,406.70

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Solution

The fourth proportional to 4,180.77, 6,268.68 and 1,406.70 is: 2,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.77 : 6,268.68 = 1,406.70 : x
  2. Step 2: Convert to fraction form
    4,180.77/6,268.68 = 1,406.70/x
  3. Step 3: Cross multiply
    4,180.77x = 6,268.68 × 1,406.70
  4. Step 4: Simplify right side
    4,180.77x = 8,818,152.16
  5. Step 5: Solve for x
    x = 8,818,152.16/4,180.77
  6. Step 6: Final answer
    x = 2,109.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.